diff --git a/poetry.lock b/poetry.lock
index 38e20c8..c2b056a 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -151,14 +151,14 @@ flake8 = ">=3.5,<5"
 
 [[package]]
 name = "flake8-isort"
-version = "4.1.2.post0"
+version = "4.2.0"
 description = "flake8 plugin that integrates isort ."
 category = "dev"
 optional = false
 python-versions = "*"
 
 [package.dependencies]
-flake8 = ">=3.2.1,<5"
+flake8 = ">=3.2.1,<6"
 isort = ">=4.3.5,<6"
 
 [package.extras]
@@ -624,7 +624,7 @@ testing = ["pytest (>=6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytest-
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.7.0"
-content-hash = "895660a4e9c9c233ff3ace3f5bacf507655c3eee89e2e98a9113974fbf2e36f7"
+content-hash = "f88bf5150556a696d1e034669dcc4fe961caecdb1cc388dbe2cefe41f57be7c7"
 
 [metadata.files]
 atomicwrites = [
@@ -718,8 +718,8 @@ flake8-eradicate = [
     {file = "flake8_eradicate-1.2.1-py3-none-any.whl", hash = "sha256:00d77faefb64cef18b3c1b48a004c3a2ad663aa3cf85650f422437d25ece6441"},
 ]
 flake8-isort = [
-    {file = "flake8-isort-4.1.2.post0.tar.gz", hash = "sha256:dee69bc3c09f0832df88acf795845db8a6673b79237371a05fa927ce095248e5"},
-    {file = "flake8_isort-4.1.2.post0-py3-none-any.whl", hash = "sha256:4f95b40706dbb507cff872b34683283662e945d6028d3c8257e69de5fc6b7446"},
+    {file = "flake8-isort-4.2.0.tar.gz", hash = "sha256:26571500cd54976bbc0cf1006ffbcd1a68dd102f816b7a1051b219616ba9fee0"},
+    {file = "flake8_isort-4.2.0-py3-none-any.whl", hash = "sha256:5b87630fb3719bf4c1833fd11e0d9534f43efdeba524863e15d8f14a7ef6adbf"},
 ]
 flake8-logging-format = [
     {file = "flake8-logging-format-0.6.0.tar.gz", hash = "sha256:ca5f2b7fc31c3474a0aa77d227e022890f641a025f0ba664418797d979a779f8"},
diff --git a/pyproject.toml b/pyproject.toml
index 1bfed67..2a6e6da 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -46,7 +46,7 @@ flake8-blind-except = "0.2.1"
 flake8-builtins = "1.5.3"
 flake8-docstrings = "1.6.0"
 flake8-eradicate = "1.2.1"
-flake8-isort = "4.1.2.post0"
+flake8-isort = "4.2.0"
 flake8-logging-format = "0.6.0"
 flake8-pep3101 = "1.3.0"
 flake8-polyfill = "1.0.2"